| Acronym | Meaning |
| PNR | Polarized Neutron Reflection |
| RCRIS | Resource Conservation And Recovery Information System |
| VBM | Valence-band Model (in Electronic Structure Calcns.) |
| DAST | Diethylaminosulfur Trifluoride |
| SWORD | Surveillance Of Work Related And Occupational Respiratory Disease |
| CCSP | Constant Current Stripping Potentiometry |
| PAPVD | Plasma-assisted Physical Vapor Deposition |
| FBCB | Fixed Bed Circulating Bioreactor (for Wastewater Treatment) |
| ABR | Auditory Brainstem Response |
| MEMPT | Many-electron Many-photon Theory (in Dynamic-polarizability Calcns. For Atoms And Ions) |